Franklin County (Columbus)
September
Weather in Franklin County, Ohio for September 2025
Your guide to Franklin County weather in September - trends and predictions
Until now, September 2025 in Franklin County is slightly cooler than the historical average by -1.3 °F.
The forecast for the next days in Franklin County predicts temperatures to be around 29 °F, close to the historical average.
In general, the average temperature in Franklin County at the beginning of September is 27.4 °F. As the month progressed, temperatures tended to moderately fall, reaching an average of 26.4 °F by the end of September.
Franklin County in September brings notable rainfall, with an average of 19 rainy days and a total precipitation of 70.1 mm.
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Temperatures
Rain 🌧️
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11
Dry days
19
Rainy days
0
Snow days
26°/15°
Temperatures
14 km/h
Avg max wind
65 %
Avg humidity
Franklin County Weather September
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Temperatures trend during September in Franklin County
See the weather trend as well as the moving average line
September weather in Franklin County day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Patchy rain possible | 28° /14° | 1 mm | 7 | |
| Sept. 2 |  Sunny | 28° /15° | 0 mm | 7 | |
| Sept. 3 |  Partly cloudy | 28° /15° | 1.2 mm | 7 | |
| Sept. 4 |  Moderate or heavy rain shower | 28° /16° | 13.9 mm | 6 | |
| Sept. 5 | Moderate rain at times | 29° /16° | 4 mm | 7 | |
| Sept. 6 | Light rain shower | 26° /16° | 7.8 mm | 6 | |
| Sept. 7 | Partly cloudy | 25° /14° | 0.3 mm | 6 | |
| Sept. 8 | Sunny | 25° /12° | 2.3 mm | 6 | |
| Sept. 9 | Sunny | 27° /13° | 0 mm | 6 | |
| Sept. 10 | Sunny | 26° /14° | 0.3 mm | 6 | |
| Sept. 11 | Sunny | 28° /15° | 1 mm | 6 | |
| Sept. 12 | Sunny | 27° /15° | 0.1 mm | 7 | |
| Sept. 13 |  Overcast | 26° /15° | 0 mm | 6 | |
| Sept. 14 | Sunny | 28° /15° | 0 mm | 7 | |
| Sept. 15 | Sunny | 28° /15° | 1.7 mm | 7 | |
| Sept. 16 | Overcast | 27° /14° | 0 mm | 6 | |
| Sept. 17 | Partly cloudy | 27° /15° | 0.7 mm | 7 | |
| Sept. 18 | Sunny | 32° /17° | 0 mm | 1.5 | |
| Sept. 19 | Sunny | 32° /18° | 0 mm | 1.4 | |
| Sept. 20 | Sunny | 29° /17° | 0 mm | 1.2 | |
| Sept. 21 | Partly cloudy | 33° /18° | 0.1 mm | 1.2 | |
| Sept. 22 | Patchy rain possible | 32° /19° | 0.2 mm | 0 | |
| Sept. 23 | Partly cloudy | 32° /19° | 0 mm | 7 | |
| Sept. 24 |  Moderate rain | 31° /19° | 5.4 mm | 5 | |
| Sept. 25 | Patchy rain possible | 29° /18° | 0.7 mm | 5 | |
| Sept. 26 | Patchy rain possible | 24° /18° | 4.6 mm | 5 | |
| Sept. 27 |  Cloudy | 24° /15° | 0 mm | 4 | |
| Sept. 28 | Cloudy | 24° /16° | 0.1 mm | 4 | |
| Sept. 29 | Sunny | 26° /15° | 0 mm | 5 | |
| Sept. 30 | Sunny | 27° /15° | 0 mm | 6 | |
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Important Notice
Our weather forecast for Franklin County in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Franklin County forecast closer to your planned date for the most up-to-date weather information.
Change Month
Franklin County in September - FAQ
What are the expected maximum and minimum temperatures in Franklin County during September?
During September, expect a variety of temperatures with highs around 26° and lows near 15°, suitable for diverse activities and preferences.
How much rainfall should be expected in Franklin County during September?
Moderate rainfall is anticipated in Franklin County during September, with a total of 70.1 mm spread over approximately 19 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Franklin County during September?
The average wind speed in Franklin County during September is 14 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Franklin County
Explore the daily rainfall trends and prepare for Franklin Countys September weather 💧
UV exposure in Franklin County during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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Where is Franklin County?Get accurate weather forecasts for Franklin County, located at latitude 39.961 and longitude -82.999. Stay updated with localized weather information tailored for Franklin County.
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